On Wed, 2017-03-22 at 04:21:50 UTC, Alexey Kardashevskiy wrote: > So far iommu_table obejcts were only used in virtual mode and had > a single owner. We are going to change this by implementing in-kernel > acceleration of DMA mapping requests. The proposed acceleration > will handle requests in real mode and KVM will keep references to tables. > > This adds a kref to iommu_table and defines new helpers to update it. > This replaces iommu_free_table() with iommu_tce_table_put() and makes > iommu_free_table() static. iommu_tce_table_get() is not used in this patch > but it will be in the following patch. > > Since this touches prototypes, this also removes @node_name parameter as > it has never been really useful on powernv and carrying it for > the pseries platform code to iommu_free_table() seems to be quite > useless as well. > > This should cause no behavioral change. > > Signed-off-by: Alexey Kardashevskiy <aik@xxxxxxxxx> > Reviewed-by: David Gibson <david@xxxxxxxxxxxxxxxxxxxxx> > Acked-by: Alex Williamson <alex.williamson@xxxxxxxxxx> Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/e5afdf9dd515a9446c009f44f99f9b cheers
